449378024671 has 4 divisors (see below), whose sum is σ = 449379653832. Its totient is φ = 449376395512.

The previous prime is 449378024647. The next prime is 449378024723. The reversal of 449378024671 is 176420873944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449378024671 - 2¹¹ = 449378022623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449378024611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286876 + ... + 990481.

It is an arithmetic number, because the mean of its divisors is an integer number (112344913458).

Almost surely, 2^449378024671 is an apocalyptic number.

449378024671 is a deficient number, since it is larger than the sum of its proper divisors (1629161).

449378024671 is a wasteful number, since it uses less digits than its factorization.

449378024671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629160.

The product of its (nonzero) digits is 8128512, while the sum is 55.

It can be divided in two parts, 44937 and 8024671, that added together give a palindrome (8069608).

The spelling of 449378024671 in words is "four hundred forty-nine billion, three hundred seventy-eight million, twenty-four thousand, six hundred seventy-one".